package com.example.administrator.myapplication.utils;

import java.io.UnsupportedEncodingException;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;

public class EncryptPassword {
	public static String getMd5Code(String plainText) {
		if (null == plainText)
			return null;
		try {
			plainText = plainText.trim();
			MessageDigest md = MessageDigest.getInstance("MD5");
			md.update(plainText.getBytes("UTF-8"));
			byte b[] = md.digest();
			int i;
			StringBuffer buf = new StringBuffer("");
			for (int offset = 0; offset < b.length; offset++) {
				i = b[offset];
				if (i < 0)
					i += 256;
				if (i < 16)
					buf.append("0");
				buf.append(Integer.toHexString(i));
			}
			// return buf.toString().substring(8, 24);// 16位md5加密
			return buf.toString();// 32位md5加密
		} catch (NoSuchAlgorithmException e) {
			e.printStackTrace();
			return "";
		} catch (UnsupportedEncodingException e) {
			e.printStackTrace();
			return "";
		}
	}
}